Photographic apparatus with adjusting device for focussing and exposure control means

ABSTRACT

A still camera or motion picture camera wherein the shutter and/or the diaphragm is adjustable in response to rotation of a ring which is installed in a circumferential groove of the lens mount. The picture taking objective is movable in the direction of the optical axis by a ring-shaped, lever-shaped or rotary knob-shaped adjusting device which is mounted on the ring for movement about a second axis which is inclined with reference to the optical axis and intersects or crosses in space with the optical axis. The adjusting device also serves to rotate the ring about the optical axis. The axial position of the objective can be changed independently of or simultaneously with angular movement of the ring, depending upon whether the adjusting device is actuated to merely rotate the ring, to merely move the objective axially or to move the objective axially while rotating the ring about the optical axis.

United States Patent [1 1 Wick et al. I

[111 3,747,498 July 24, 1973 [22] Filed:

[ PHOTOGRAPHIC APPARATUS WITH ADJUSTING DEVICE FOR FOCUSSING ANDEXPOSURE CONTROL MEANS [75] Inventors: Richard Wick; Alfred Winkler;Wilhelm Kulruk, all of Munich, Germany [73] Assignee: Agia-GevaertAktiengesellschaft,

Leverkusen, Germany [21] Appl. No.: 187,072

[30] Foreign Application Priority Data Raab 95/45 Hahn 95/45 [57]ABSTRACT A still camera or motion picture camera wherein the shutterand/or the diaphragm is adjustable in response to rotation of a ringwhich is installed in a circumferential groove of the lens mount. Thepicture taking objective is movable in the direction of the optical axisby a ring-shaped, lever-shaped or rotary knob-shaped adjusting devicewhich is mounted on the ring for movement about a second axis which isinclined with reference to the optical axis and intersects or crosses inspace with the optical axis. The adjusting device also serves to rotatethe ring about the optical axis. The axial position of the objective canbe changed indepen dently of or simultaneously with angular movement ofthe ring, depending upon whether the adjusting device is actuated tomerely rotate the ring, to merely move the objective axially or to movethe objective axially while rotating the ring about the optical axis.

14 Claims, 5 Drawing Figures PATENTED JUL 2 4 I975 SHEET 1 OF 3 INVENTORRICHARD WlCK BY ALFRED WINKLER WILHELM KUKUK fl L] PATENTEDJULZMW 3.747.498

sum 2 or 3 x (Q 2 105a INVENTOR RICHARD WlCK BY ALFRED WINKLER WILHELMKUKUK PATENTEBJULZMQH SHEET 3 [IF 3 203 205 2045 I207 202 205C a 30534!) Q U zoo INVEN TOR RICHARD WlCK BY ALFRED WINKLER WILHELM KUKUKPHOTOGRAPHIC APPARATUS WITH ADJUSTING DEVICE FOR FOCUSSING AND EXPOSURECONTROL MEANS BACKGROUND OF THE INVENTION The present invention relatesto photographic apparatus in general, and more particularly toimprovements in still cameras or motion picture cameras with severaladjustable camera components. Such components may include a focusingmeans which serves to move the picture taking objective in the directionof theoptical axis and exposure control means which includes anadjustable shutter and/or an adjustable diaphragm so that the exposurecontrol means can furnish any one of a number of different combinationsof exposuretime and aperture size. Furthermore, the exposure controlmeans may be adjustable to account for the sensitivity or speed of thefilm which is being used in the camera and/or to account for the guidenumber of a source of artificial light which is used in connection withthe making of' exposures in daylight or for the making of exposures inthe absence of daylight. Still moreparticularly, the invention relatesto improvements in means for adjusting several adjustable components ofa still camera-or motion picture camera.

In presently known photographic apparatus, the focusing means isnormally adjustable by a discrete ad- SUMMARY OF THE INVENTION An objectof the invention is to provide a photographic apparatus with a novel andimproved adjusting device which can control several adjustablecomponents in such a way that each component can be adjustedindependently or that several components can be adjusted simultaneously.v I

Another object of the invention is to provide a still camera or a motionpicture camera with anovel adjusting device for the focussing means andexposure control means.

A further object of the invention is to provide an adjustingdevicewherein a single'mernber which requires manipulation by the user iscapable of adjusting several adjustable components of the apparatuseither simultaneously or independently of each other.

An additional object of the invention is to provide a simple, compact,rugged, inexpensive and versatile adjusting device for two or moreadjustable components in a still camera or motion picture camera.

A further object of the invention is to provide a versatile adjustingdevice which can be manipulated by one hand so that the other hand ofthe user remains free for the holding of camera body and/orfor actuatingthe release while the user need not even look at the actuating devicebut can denote his or her attention to the subject or scene and/or tothe range finder.

The invention is embodied in a photographic apparatus which mayconstitute a still camera or a motion picture camera and comprisesadjustable focussing means (such focusing means may be designed to movethe picture taking objective in the direction of the optical axis),adjustable exposure control means (such exposure control means mayinclude an adjustable shutter and/or an adjustable diaphragm), and anadjusting dc vice which is operatively connected with the focusing meansas well as with the exposure control means and is movable about mutuallyinclined first and second axes to thereby respectively adjustthe'focusing means and the exposure control means. One of the two axespreferably coincides with the optical axis of the picture takingobjective.

The adjusting device may comprise an annular member which is rotatableabout the optical axis to thereby adjust the exposure control means andis also pivotable about an axis which is normal to and intersects theoptical axis to thereby adjust the focussing means. Alternatively, theadjusting device may comprise a lever which is movable about the opticalaxis to thereby effect one of two adjustments and which is pivotableabout a second axis which may be normal to and crosses in space .withthe optical axis to thereby effect the other adjustment. Still further,the adjusting device may comprise a knob which is movable about theoptical axis to thereby effect one of two adjustments and which isfurther rotatable about an axis extending substantially or exactlyradially of the optical axis to thereby effect a second adjustment.

The novel features which are considered as characteristic of theinvention are set forth in particular in the appended claims. Theimproved photographic apparatus itself, however, both as to itsconstruction and its mode of operation, together with additionalfeatures and advantages thereof, will be best understood upon perusal ofthe following detailed description of certain specific embodiments withreference to the accompanying drawing.

BRIEF DESCRIPTION OF THE DRAWING FIG. 1 is a fragmentary sectional viewof aphotographic apparatus wherein the adjusting device for the focusingand exposure control means is constructed and mounted in accordance witha first embodiment of the invention;

FIG. 2 is a sectional view as seen in the direction of arrows from theline II-ll of FIG. 1; 1

FIG. 3 is a fragmentary partly elevational and partly sectional view ofa photographic apparatus embodying a modified adjusting device;

FIG. 4 is a fragmentary sectional view of a photographic apparatus whichembodies a third adjusting device; and

' FIG. 5 is an elevational view as seen from the lefthand side of FIG.4,

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring first to FIGS. I and2, there is shown a portion of a photographic apparatus which mayconstitute a still camera or a motion picture camera. The apparatuscomprises abody having a front wall I which is separably connected witha tubular lens' housing or mount is movable in the direction of theoptical axis 4 of the objective to thereby move the latter nearer to orfurther away from the plane of an unexposed film frame, not shown.

The lens housing 2 is provided with a circumferential groove 20 foraring-shaped member 6 (hereinafter called ring for short) which formspart of adjustable exposure control means in the photographic apparatus.By rotating the ring 6 about the optical axis 4, the user of the cameracan select a desired exposure time and/or 'an appropriate aperture sizein a manner well known from the art of cameras and not shown in FIGS. 1and 2. The means for indicating the angular position of the ring 6 andfor thus indicatingthe selected adjustment of the exposure control meanscomprises an arcuate scale 60 which is applied to the external surfaceof the ring 6 and a pointer or index 2d on the adjacent portion of thelens housing 2. The scale 6a is graduated to indicate various aperturesizes and/or different exposure times. It is clear that the scale 6a canbe provided on the lens housing 2 and the index 2a is then provided onthe ring 6.

In accordance with a feature of the invention, the tubular member 3 ofthe adjustable focussing means and the ring 6 of the adjustable exposurecontrol means can be moved, either simultaneously or independently ofeach other, by a novel adjusting device or selector which includes anannular adjusting member 7 surrounding with some clearance the ring 6,and a motion transmitting pin or stud which is rigid with the annularmember 7 and extends radially inwardly through registering slots 21:, 6brespectively provided in the lens housing 2 and ring 6. The width of theslot 6b (as considered in circumferential direction of the ring 6) neednot appreciably exceed the diameter of the stud l0 and the length of theslot 2b in the lens housing 2 (as considered in the circumferentialdirection of the ring 6) at least equals the desired maximum angulardisplacement of the ring 6. The annular member 7 is coaxial with thering 6.(at least when it assumes the neutral position shown in FIG. 1)and is pivotable about an axis 8 which is normal to and intersects theoptical axis 4. This axis 8 is defined by two coaxial pivot pins 8awhich are provided on or mounted in the ring 6 and are disposeddiametrically opposite each other (see particularly FIG. 2). The annularmember 7 can pivot about the axis 8 in directions indicated by adouble-headed arrow 9 whereby the stud 10 moves lengthwise of the slot6b, i.e., in a plane which includes the optical axis 4 and is normal tothe axis 8. The slot 6b is parallel to the optical axis 4 and thearcuate slot 2b is located in a plane which is normal to the opticalaxis. The articulate connection betwen the inner end portion of the studl0 and the tubular member 3 comprises a spherical head 10a at theinnermost end of the stud and a complementary concave socket 3a in themember 3. It will be seen that the focusing means including the tubularmember 3 is adjusted in response to pivoting of the annular member 7about the axis 8 (arrow 9) because the head 10a then causes the member 3to move axially upwardly or downwardly, as viewed in FIG. 1. The angularposition of the ring 6 (and hence the adjustment of the exposure controlmeans is changed by rotating the annular member 7 about the optical axis4 whereby the member 7 rotates the ring 6 by way of the pivot pins 8a.Thus, the annular member 7 is movable about mutually inclined first andsecond axes 8 and 4 to thereby respectively adjust the focusing means(tubular member 3) and the exposure control means (ring 6). In theembodiment of FIGS. 1 and 2, the second axis 4 coincides with theoptical axis of the picture taking objective 5. The tubular member 3shares all angular movements of the ring 6 but this need not necessarilyinvolve a change in the axial position of the objective 5, dependingupon whether or not the user pivots the annular member 7 about the axis8 while rotating the member 7 about the axis 4. If the annular member 7is merely pivoted about the axis 8, the axial position of the tubularmember 3 will change but the angular position of the ring 6 will remainunchanged. If the annular member 7 is rotated about the axis 4 withoutany pivoting about the axis 8, the angular position of the ring 6 willchange but the axial position of the tubular member 3 will remainunchanged. Thus, the adjusting device 7, 10, 10a of FIGS. 1 and 2 canadjust the focusing means simultaneously with the exposure controlmeans, the exposure control means can be adjusted in dependently of thefocusing means, or the focusing means can be adjusted independently ofthe exposure control means. If the ring 6 serves to control a shutter,it can change the setting of a conventional retard mechanism whichdetermines the delay with which the shutter closes following actuationof the camera release, not shown. If the ring 6 serves to adjust adiaphragm, it can be pivotally connected with a set of vanes or bladeswhich increase or reduce the size of the light admitting aperture inresponse to rotation of the ring 6 in a clockwise or in acounterclockwise direction. While pivoting the annular member 7 aboutthe axis 8 to change the axial position of the tubular member 3 andobjective 5, the user of the camera can look at a conventional rangefinder (not shown) in the camera body to determine the optimum axialposition of the objective 5 for the making of an exposure at a givendistance from the subject or scene.

An advantage of the improved adjusting device is that it allows forgreat simplification of manipulation of the photographic apparatus.Thus, the user. of the photographic apparatus can hold the camera bodywith one hand while using the other hand to adjust the exposure controlmeans and/or the focussing means. In order to further facilitate themanipulation of the improved adjusting device, the annular member 7 isprovided with one, two or more outwardly extending projections 7a whichmay be grooved, milled or otherwise roughened to insure a satisfactorygrip.

In addition to'the aforementioned indicating means 6a, 2a for theangular positions of the ring 6, the photographic apparatus of FIGS. 1and 2 is provided with a second indicating means for indicating theaxial positions of the tubular member 3 and objective 5. This secondindicating means comprises a disk-shaped dial II which is mounted in theinterior of the lens housing 2 (between the lens housing 2 and thetubular member 3) and is rotatable with or on a radially inwardlyextending shaft 12 of the lens housing. The graduations at the outerside of the dial 11 indicate various distances from the subject orscene, and at least one such graduation is observable in each angularposition of the dial 11 through a window 15 which is provided in thelens housing 2. The means for rotating the dial- 11 in response to axialdisplacement of the-tubular member 3 and objective 5 comprises a-pinion13 on the shaft 12 and an elongated toothed rack 14 which meshes with Ywhich in turn rotates the dial 11 so that the latter moves anappropriate graduation into register with the window in the lens housing2. The dial l1 enables the user of the photographic apparatus to make acoarse adjustment of thefocussing means prior to a final adjustment bylooking at the view finder (not shown). If desired, the dial ll'or ananalogous indicating means can be mounted in the viewfinder of thephotographic apparatus so that, by looking into the viewfinder and bypivoting the annular member 7 about the axis 8, the user can read theselected axial position of the objec tive 5. The indicating 'means inthe viewfinder can be provided in addition to the dial l1 and window 15;to this .end, the apparatus of FIGS. 1 and 2 comprises a pusher 16 whichis parallel to the optical axis 4 and is biased against the inner endface of the tubular member 3 b'ya spring (not shown) so that it sharesall axial movements of the objective 5. The pusher 16 can adjust a scalewhich is observable in the viewfinder. It is further clear that a scalewith graduations indicating various distances from the subject or scenecan be provided directly'on the tubular'member 3 and the lens housing 2can be provided with a window which allows forobservation of appropriategraduation onthe scale of the member 3 in each axial position of theobjective 5. Still further, the window 15 can accommodate a magnifyinglens of vitreous or synthetic plastic material to allow for moreconvenient reading of that graduation on the dial 11 which is inmomentary register with the window. x x v The head, 10a pr 'themotiontransmitting stud 10 is received in the socket 3a ofth'et'ubularmember 3 with sufficient clearance to allow the annular member 7to pivot about the axis 8 and to thereby change the axial position ofthe objective 5. If desired, the socket 3a can be replaced with acircumferential groove in the external surface of the tubular member 3whereby such groove receives the head 10a of the stud l0 and allows theparts 6 and 7 to rotate about the axis 4 with reference to the member 3and lens housing 2. In such photographic apparatus, therack 14 can berigidly connected with the tubular member 3 because the latter need notchange its angular position. It is further clear that the length of theslot 2b (as considered in the circumferential direction of the ring 6)and the height of this slot (as consideredin the direction of the axis4) are sufficient to allow for unimpeded pivotal movements of theannular member 7 about the axis 8 as well as for unimpeded angularmovements of the member 7 about the axis 4 within the desired range ofadjustments of the parts 3 and 6.

The adjusting device including the parts 7 and 10 exhibits a number ofimportant advantages. Thus, the user of the camera can observe thesubject or scene by looking through the viewfinder. while one handsuffices to adjust the objective 5 and/or the exposure control means bypivoting the member 7 about the axis 8 and- /or by rotating the member 7about the axis 4. Furthermore, the adjustment of focussing means can becompleted within a very short interval of time because a single grip onthe annular member 7 (e.g., on one of the projections 7a) suffices toenable the user to move the member 7 in the directions indicated by thearrow 9 and to thus move the tubular member 3 between two extreme axialpositions and through an infinite number of intermediate positions.Adjustment of the ring 6 does necessitate an angular displacement of themem her 7 about the optical axis; however, if necessary, such adjustmentcan be carried out simultaneously with adjustment of the focusing means.It was found that the manipulation of annular member 7 in order toadjust the focusing means and the exposure control means consumes only asmall fraction of the time which is necessary to adjust the exposurecontrol means by way of a first annular member and the focusing means byway of a discrete second annular member.

In the photographic apparatus of FIG. 3, the camera body includes afront wall which is separably connected with a tubular lens mount orhousing 101, e.g., by means of a conventional bayonet lock. The lenshousing 101 accommodates an axially adjustable tubular member 102 whichsupports the picture taking objective, not shown. The optical axis ofthe objective is shown at 103. The tubular member 102 forms part ofadjustable focussing means and the adjustable exposure control meanscomprises a ring 104 which is rotatable in a circumferential groove 101aof the lens housing 101. By rotating the ring 104 about the optical axis103, the user of the photographic apparatus canadjust the shutter and/orthe diaphragm of the exposure control means in a well known manner, notshown.

The adjusting device 105 for the tubular member 102 and the ring 104 ofFIG. 3 is a two-armed lever which is fulcrumed in the ring 104 so as tobe pivotable about an axis 106 which is normal to and crosses in spacewith the optical axis 103. It can be said that the axis 106 istangential to the ring 104. The adjusting device or lever 105 has twoarms 105b, 105cwhich extend to opposite sides of the axis 106 andsubstantiallyor exactly radially of the optical axis 103. The arms 105b,105s of the device 105 meet in a cylindrical portion 105a which isturnable in a complementary socket 104c of the ring 104 and whose axiscoincides with the axis 106. The inner end portion of the arm 1050carries a spherical head l05e which is received in a circumferentialgroove 102a of the tubular member 102. The outer arm 105b forms with aspherical knob 105d a handle which can be manipulated to pivot-theadjusting device 105 in directions indicated by the arrow 107 (i.e.,about the axis 106) and/or tomove the device 105 and the ring 104 aboutthe optical axis 103. The arm 105c and its head l05e cause the tubularmember 102 and the objective to move in the direction of the opticalaxis 103 in response to pivoting of the adjusting device 105 about theaxis 106. Such pivotal movement can be performed simultaneously with orindependently of an angular movement aboutthe optical axis 103, i.e.,the focusing means can be adjusted simultaneously with or independentlyof the exposure control means.

The means for indicating the selected angular positions of the ring 104comprises a scale 104b which is applied to the periphery of the lenshousing 101 and an index or pointer 104a on the ring 104. Thegraduations of the scale 104b indicate various exposure times and- /ordifferent aperture sizes. It is clear that the positions of the scalel04b and index 1040 can be reversed.

The indexing means for pointing out various axial positions of thetubular member 102 comprises a scale 10212 which is applied to theperiphery of the lens housing 101 and whose graduations indicate variousdistances from the subject or scene. The reading of the scale 10212 isfacilitated if its graduations are normal to the optical axis and arearranged along a helix as shown in FIG. 3. The tubular member 102 doesnot share the angular movements of the ring 104 about the optical axisand the ring 104 cannot share the axial movements of the tubular member102.

The structure shown in FIG. 3 can be modified by mounting the adjustingdevice 105 in such a way that the axis 106 is not normal to the plane ofFIG. 3. Thus, the axis 106 can remain in a plane which is tangential tothe ring 104 but it can make with the optical axis 103 an oblique angle.Such mounting of the adjusting device 105 will be resorted to if it isdesired to select a predetermined transmission ratio between the extentof pivotal movement of the adjusting device about the axis 106 and theextent of axial displacement of the tubular member 102. Thus, such ratiocan be changed by changing the inclination of the axis 106 in a planewhich is tangential to the ring 104.

It is'also within the purview of the invention to mount the adjustingdevice'10S in such a way that the pivot axis 106 is located in a planewhich is tangential to the peripheral surface or to the median diameterof the lens housing 101. Furthermore, the common axis of the arms 105b,105c need not be exactly radial to the optical axis 103.

An advantage of the adjusting device 105 is that it occupies even lessroom than the adjusting device of FIGS. 1 and 2 and that the tubularmember 102 need not at any time share the angular movements of the ring104. Furthermore, if the outer arm 105b is much longer than the innerarm lc, a relatively large displacement of the knob 105d will entail arelatively small axial displacement of the tubular member 102 so thatthe latter can be adjusted with a high degree of accuracy. The operativeconnection between the adjusting device 105 and the tubular member 102is extremely simple and inexpensive; it merely includes thecircumferential groove 102a and the spherical head lose on the arm l05c.The provision of the cylindrical portion 105a on the adjusting device105 renders it possible to machine the socket 1040 of the ring 104 inrelatively simple and readily available machinery. Furthermore, sincethe cylindrical portion 105a positively prevents any movements of theadjusting device 105 with reference to the ring 104 excepting about theaxis 106, the user is much less likely to accidentally turn the ring 104during axial adjustment of the tubular member 102.

It is further clear that the photographic apparatus of the presentinvention can be readily modified by constructing and mounting theadjusting device in such a way that a movement about the optical axisentails an adjustment of the exposure control means and that a movementabout an axis which is inclined with reference to the optical axisbrings about an adjustment of the focussing means.

The photographic apparatus of FIGS. 4 and 5 comprises a camera bodyhaving a front wall 200 which is separably connected with a lens mountor housing 201 by a bayonet lock or the like. The picture takingobjective (not shown) is mounted in a tubular member 202 which ismovable in the direction of the optical axis 203 in response to rotationof a modified knob-shaped adjusting device 205 about its own axis 206which is normal to and intersects the optical axis 203. The adjustableexposure control means comprises a ring 204 which is rotatable about theoptical axis 203 and extends into a circumferential groove 201a of thelens housing 201. The adjusting device 205 has a hub 205b which isrotatable in but cannot move axially in a radial bearing sleeve 204a ofthe ring 204. The outer portion 205c of the adjusting device 205 isknurled or milled to facilitate its rotation by two fingers or even by asingle finger. The hub 205b has a radially inwardly extending eccentricprojection or pin 207 which extends through suitably dimensioned slots204 b and 201b of the ring 204 and lens housing 201 and into acircumferential groove 202a of the tubular member 202. The slot 201bextends in the circumferential direction of the ring 204 and the heightof both slots (as considered in the axial direction of the tubularmember 202 is sufficient to allow the adjusting device 205 to turn inthe bearing sleeve 204a through an angle of at least 180 so as to movethe projection 207 between an uppermost and a lowermost position, asviewed in FIG. 4, and to thus move the tubular member 202 between twoextreme axial positions.

The exposure control means is adjusted in response to movement of theadjusting device 205 about the optical axis 203 because such angularmovement is shared by the ring 204 which thereby adjusts the shutterandlor the diaphragm. The scale and index which indicate the angularpositions of the ring 204 can be applied in the same way as shown forthe scale 104k and index 104a of FIG. 3.

The focusing means for the objective is adjusted in response to rotationof the adjusting device 205 about the axis 206 because the projection207 then causes the tubular member 202 and the objective to move in thedirection of the optical axis 203. The ring 204 can be moved about theoptical axis 203 to effect an adjustment of the exposure control meansin dependency on the sensitivity or speed of the film which is used inthe photographic apparatus. The same holds true for the ring 6 of FIGS.1-2 and/or for the ring 104 of FIG. 3.

The outer end face of the portion 2050 of the adjusting device 205carries a scale 205a whose graduations indicate different distances fromthe subject or scene; such graduations can be pinpointed by an index204c on the peripheral surface of the ring 204.

If desired, the operative connections between the adjusting device 205and the focusing means and exposure control means can be constructed insuch a way that the adjusting device will move about the optical axis203 in order to adjust the focusing means and about the axis 206 toadjust the exposure control means.

The advantages of the adjusting device 205 are analogous to those of theadjusting lever 105 shown in FIG. 3. Thus, the device 205 occupies verylittle room, it allows for highly accurate adjustments of the axialposition of the tubular member 202, and the operative connection betweenthe device 205 and the parts 204, 202 is extremely simple and reliable.Moreover, it is very convenient to rotate the milled outer portion 205cwhile the entire adjusting device 205 is being moved about the opticalaxis 203 so that the user of the photographic apparatus can adjust thefocusing means simultaneously with an adjustment of the exposure controlmeans.

Without further analysis, the foregoing will so fully reveal the gist ofthe present invention that others can, by applying current knowledge,readily adapt it for various applications without omitting featureswhich fairly constitute essential characteristics of the generic andspecific aspects of our contribution to the art and, therefore, suchadaptations should and are intended to be comprehended within themeaning and range of equivalence of the claims.

What is claimed as new and desired to be protected by Letters Patent isset forth in the appended claims:

1. In a photographic camera, a combination comprising a tubular lenshousing; adjustable focusing means axially movably mounted in said lenshousing; adjustable exposure control means rotatably mounted in saidlens housing; and an adjusting device including first motiontransmitting means movably connected with said adjustable focusing meansand second motion transmitting means movably connected with saidadjustable exposure control means, said adjusting device being movableabout the axis of said lens housing to thereby damage the position ofone of said adjustable means with respect to said lens housing by way ofthe respective motion transmitting means and said adjusting device beingfurther movable about a second axis normal to and intersecting the axisof said lens housing to thereby change the position of the other of saidadjustable means with respect to said lens housing by way of therespective motion transmitting means.

2. A combination as defined in claim 1, further comprising a picturetaking objective having an optical axis which coincides with the axis ofsaid lens housing, said adjusting device being pivotable about saidsecond axis to thereby move said objective in the direction of saidoptical axis by way of said focusing means and said adjusting devicebeing rotatable about the axis of said lens housing to thereby adjustsaid exposure control means.

3. A combination as defined in claim 1, further comprising a picturetaking objective having an optical axis coinciding with the axis of saidlens housing, said exposure control means comprisinga ring-shaped membercoaxial with said lens housing and supporting said adjusting device forangular movement about said second axis, said ring-shaped member beingrotatable by said adjusting device about the axis of said lens housingand said objective being movable in the direction of said optical axisby way of said focussing means in response to angular movement of saidadjusting device about said second axis.

' 4. A combination as defined in claim 1, wherein said adjusting devicefurther includes an annular member which is at least substantiallycoaxial with said lens housing.

5. A combination as defined in claim 1, further comprising a picturetaking objective having an optical axis which coincides with the axis ofsaid lens housing, said exposure control means comprising a ring-shapedmember which is coaxial with said objective and is rotatable by saidadjusting device about said optical axis to thereby effect theadjustment of said exposure control means, said focussing meanscomprising a tubular member supporting said objective and being movablein the direction of said optical axis in response to movement of saidadjusting device about said second axis.

6. A combination as defined in claim 5, wherein said adjusting devicefurther comprises an annular member which is coaxial with said objectiveand is pivotable about said second axis to thereby move said tubularmember axially, said first motion transmitting means being articulatelyconnected with said tubular member.

7. A combination as defined in claim 5, further com prising means forindicating various positions of said focussing means in response tomovement of said adjusting device about said second axis.

8. A combination as defined in claim 7, wherein said indicating meanscomprises a dial supported by said lens housing between said lenshousing and said tubular member and being located in a plane which is atleast substantially tangential to the periphery of said tubular member.

9. A combination as defined in claim 8, further comprising means forrotating said dial in response to movement of said tubular member in thedirection of said optical axis.

10. A combination as defined in claim 9, wherein said means for rotatingsaid dial comprises a gear coaxial with and secured to said dial and atoothed rack movable with said tubular member in the direction of saidoptical axis and meshingwith said pinion.

11. A combination as defined in claim 9, wherein said dial is providedwith graduations and said lens housing comprises a window which permitsobservation of different graduations on said dial in different axialpositions of said tubular member.

12. A combination as defined in claim 1, further comprising a picturetaking objective having an optical axis coinciding with the axis of saidlens housing, said exposure control means comprising a ring-shapedmember which is rotatable by said adjusting device about said opticalaxis, said adjusting device being supported by said ring-shaped memberfor rotation about said second axis.

13. A combination as defined in claim 12, wherein said focusing meanscomprises a tubular member supporting said objective and being movabletherewith in the direction of said optical axis in response to rotationof said adjusting device with reference to said ringshaped member.

14. A combination as defined in claim 13, wherein said tubular memberhas a circumferential groove and said first motion transmitting meanscomprises an eccentric projection extending into said groove.

1. In a photographic camera, a combination comprising a tubular lenshousing; adjustable focusing means axially movably mounted in said lenshousing; adjustable exposure control means rotatably mounted in saidlens housing; and an adjusting device including first motiontransmitting means movably connected with said adjustable focusing meansand second motion transmitting means movably connected with saidadjustable exposure control means, said adjusting device being movableabout the axis of said lens housing to thereby damage the position ofone of said adjustable means with respect to said lens housing by way ofthe respective motion transmitting means and said adjusting device beingfurther movable about a second axis normal to and intersecting the axisof said lens housing to thereby change the position of the other of saidadjustable means with respect to said lens housing by way of therespective motion transmitting means.
 2. A combination as defined inclaim 1, further comprising a picture taking objective having an opticalaxis which coincides with the axis of said lens housing, said adjustingdevice being pivotable about said second axis to thereby move saidobjective in the direction of said optical axis by way of said focusingmeans and said adjusting device being rotatable about the axis of saidlens housing to thereby adjust said exposure control means.
 3. Acombination as defined in claim 1, further comprising a picture takingobjective having an optical axis coinciding with the axis of said lenshousing, said exposure control means comprising a ring-shaped membercoaxial with said lens housing and supporting said adjusting device forangular movement about said second axis, said ring-shaped member beingrotatable by said adjusting device about the axis of said lens housingand said objecTive being movable in the direction of said optical axisby way of said focussing means in response to angular movement of saidadjusting device about said second axis.
 4. A combination as defined inclaim 1, wherein said adjusting device further includes an annularmember which is at least substantially coaxial with said lens housing.5. A combination as defined in claim 1, further comprising a picturetaking objective having an optical axis which coincides with the axis ofsaid lens housing, said exposure control means comprising a ring-shapedmember which is coaxial with said objective and is rotatable by saidadjusting device about said optical axis to thereby effect theadjustment of said exposure control means, said focussing meanscomprising a tubular member supporting said objective and being movablein the direction of said optical axis in response to movement of saidadjusting device about said second axis.
 6. A combination as defined inclaim 5, wherein said adjusting device further comprises an annularmember which is coaxial with said objective and is pivotable about saidsecond axis to thereby move said tubular member axially, said firstmotion transmitting means being articulately connected with said tubularmember.
 7. A combination as defined in claim 5, further comprising meansfor indicating various positions of said focussing means in response tomovement of said adjusting device about said second axis.
 8. Acombination as defined in claim 7, wherein said indicating meanscomprises a dial supported by said lens housing between said lenshousing and said tubular member and being located in a plane which is atleast substantially tangential to the periphery of said tubular member.9. A combination as defined in claim 8, further comprising means forrotating said dial in response to movement of said tubular member in thedirection of said optical axis.
 10. A combination as defined in claim 9,wherein said means for rotating said dial comprises a gear coaxial withand secured to said dial and a toothed rack movable with said tubularmember in the direction of said optical axis and meshing with saidpinion.
 11. A combination as defined in claim 9, wherein said dial isprovided with graduations and said lens housing comprises a window whichpermits observation of different graduations on said dial in differentaxial positions of said tubular member.
 12. A combination as defined inclaim 1, further comprising a picture taking objective having an opticalaxis coinciding with the axis of said lens housing, said exposurecontrol means comprising a ring-shaped member which is rotatable by saidadjusting device about said optical axis, said adjusting device beingsupported by said ring-shaped member for rotation about said secondaxis.
 13. A combination as defined in claim 12, wherein said focusingmeans comprises a tubular member supporting said objective and beingmovable therewith in the direction of said optical axis in response torotation of said adjusting device with reference to said ring-shapedmember.
 14. A combination as defined in claim 13, wherein said tubularmember has a circumferential groove and said first motion transmittingmeans comprises an eccentric projection extending into said groove.